Do Jane Bown, William Eggleston and Diane Arbus not sing on a gallery wall? Photography critic Sean O’Hagan hits back at Jonathan Jones’s damning claim that photographs cannot be considered fine art
• Jonathan Jones: why photography is not art
Imagine, if you will, the following scene. I pop into the National Gallery to view the 2014 BP National Portrait Award and look in bemusement at the exhibition, which is mostly comprised of rather old-fashioned paintings.